Finding the Fourth Proportional to 4,171,390.79, 5,757,102.48 and 3,013,582.97
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Solution
The fourth proportional to 4,171,390.79, 5,757,102.48 and 3,013,582.97 is: 4,159,165.82
Step by Step Solution
- Step 1: Write the proportion equation
4,171,390.79 : 5,757,102.48 = 3,013,582.97 : x - Step 2: Convert to fraction form
4,171,390.79/5,757,102.48 = 3,013,582.97/x - Step 3: Cross multiply
4,171,390.79x = 5,757,102.48 × 3,013,582.97 - Step 4: Simplify right side
4,171,390.79x = 17,349,505,990,272.77 - Step 5: Solve for x
x = 17,349,505,990,272.77/4,171,390.79 - Step 6: Final answer
x = 4,159,165.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.